/* ---------------------------------------------------------------
   Homepage-only stylesheet. Only ever linked from _layouts/home.html,
   so nothing here affects research.html / people.html / blog.html.
   --------------------------------------------------------------- */

:root {
    --accent: #0060B6;       /* Manchester violet/blue, reused for brand continuity */
    --accent-dark: #004a8f;
    --highlight: #FFCC33;    /* Manchester yellow, previously defined but unused */
    --ink: #1b1d22;
    --ink-soft: #4a4e57;
    --ink-faint: #80858f;
    --paper: #ffffff;
    --canvas: #fafafa;
    --line: #e7e7ea;
    --radius: 10px;
    --max-width: 780px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --accent: #5ea3ff;
        --accent-dark: #82b8ff;
        --ink: #eef0f3;
        --ink-soft: #b7bcc6;
        --ink-faint: #82868f;
        --paper: #1b1d22;
        --canvas: #16171b;
        --line: #2c2e34;
    }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.home-page {
    margin: 0;
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.home-page a {
    color: var(--accent);
    text-decoration: none;
}
.home-page a:hover { text-decoration: underline; }

.home-page .wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header / hero ---------- */

.home-page .site-header {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
}

.home-page .hero {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 48px 0 32px;
    flex-wrap: wrap;
}

.home-page .hero img.avatar {
    width: 108px;
    height: 108px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.home-page .hero-text h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin: 0 0 4px;
    letter-spacing: 0.01em;
}

.home-page .hero-text .role {
    color: var(--ink-soft);
    font-size: 1.05rem;
    margin: 0 0 10px;
}

.home-page .hero-text .contact {
    color: var(--ink-faint);
    font-size: 0.88rem;
    line-height: 1.5;
}

.home-page .social-icons {
    display: flex;
    gap: 14px;
    margin-top: 12px;
    align-items: center;
}
.home-page .social-icons img { height: 20px; opacity: 0.75; transition: opacity .15s; }
.home-page .social-icons a:hover img { opacity: 1; }

/* ---------- In-page nav ---------- */

.home-page nav.pagenav {
    border-top: 1px solid var(--line);
}
.home-page nav.pagenav .wrap {
    display: flex;
    gap: 22px;
    overflow-x: auto;
    padding-top: 2px;
    padding-bottom: 2px;
}
.home-page nav.pagenav a {
    color: var(--ink-soft);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    padding: 12px 0;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}
.home-page nav.pagenav a:hover {
    color: var(--accent);
    text-decoration: none;
    border-bottom-color: var(--accent);
}

/* ---------- Highlights strip ---------- */

.home-page .highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 36px 0;
}
.home-page .highlight {
    background: var(--paper);
    padding: 18px 16px;
}
.home-page .highlight .stat {
    font-family: var(--font-serif);
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 4px;
}
.home-page .highlight .label {
    color: var(--ink-soft);
    font-size: 0.83rem;
    line-height: 1.4;
}

/* ---------- Sections ---------- */

.home-page main { padding-bottom: 24px; }

.home-page section { margin: 40px 0; scroll-margin-top: 90px; }

.home-page section > h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin: 0 0 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}

.home-page section.about p { margin: 0 0 14px; color: var(--ink-soft); }
.home-page section.about strong { color: var(--ink); }

/* ---------- Reference (secondary) section ---------- */

.home-page section.reference > h2 {
    font-size: 1.2rem;
    color: var(--ink-soft);
}
.home-page .ref-block { margin-bottom: 30px; }
.home-page .ref-block h3 {
    font-size: 0.95rem;
    margin: 0 0 6px;
    color: var(--ink);
}
.home-page .ref-block h6 {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--ink-faint);
    margin: 14px 0 6px;
}
.home-page .ref-block ul,
.home-page .ref-block ol {
    margin: 0 0 8px;
    padding-left: 20px;
    font-size: 0.9rem;
    color: var(--ink-soft);
}
.home-page .ref-block li { margin-bottom: 5px; }
.home-page .ref-block ul ul { margin-top: 5px; }
.home-page .ref-block p.see-more {
    margin: 4px 0 0;
    font-size: 0.78rem;
}
.home-page .ref-block p.see-more a { color: var(--ink-faint); }

/* ---------- News ---------- */

.home-page ul.news { list-style: none; margin: 0; padding: 0; }
.home-page ul.news > li {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 2px 0;
    font-size: 0.82rem;
    line-height: 1.25;
    color: var(--ink-soft);
}
.home-page ul.news h5 { font-size: 0.88rem; margin: 0 0 2px; }
.home-page ul.news .date {
    flex: 0 0 62px;
    color: var(--ink-faint);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
}
.home-page ul.news .fa { display: none; }

/* ---------- Research project cards ---------- */

.home-page .card-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}
.home-page .card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.home-page .card-body {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    flex-wrap: wrap;
}
.home-page .project-logo { width: 26%; min-width: 72px; }
.home-page .project-logo img { width: 100%; }
.home-page .card-text {
    flex: 1;
    min-width: 200px;
    text-align: left;
    font-size: 0.92rem;
    line-height: 1.5;
}
.home-page .card-title {
    font-family: var(--font-serif);
    font-size: 1.08rem;
    margin: 0 0 4px;
}
.home-page .card-subtitle { color: var(--ink-faint); font-size: 0.82rem; }
.home-page .card-text p { margin: 0 0 8px; }
.home-page .card-text > div { margin-top: 4px; font-size: 0.85rem; }
.home-page .card-footer {
    border-top: 1px solid var(--line);
    padding: 8px 18px;
}

/* ---------- Publications ---------- */

.home-page ol.pub-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: pub;
}
.home-page li.pubs {
    counter-increment: pub;
    position: relative;
    padding: 13px 0 13px 32px;
    border-bottom: 1px solid var(--line);
    font-size: 0.94rem;
    line-height: 1.45;
}
.home-page li.pubs:first-child { padding-top: 0; }
.home-page li.pubs::before {
    content: counter(pub);
    position: absolute;
    left: 0;
    top: 13px;
    color: var(--ink-faint);
    font-family: var(--font-serif);
    font-size: 0.92rem;
}
.home-page li.pubs p { margin: 0 0 3px; }
.home-page li.pubs strong { font-size: 0.99rem; }
.home-page li.pubs .small { color: var(--ink-faint); font-size: 0.8rem; }

.home-page .badge-row { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 5px; }
.home-page .pub-badge {
    display: inline-block;
    font-size: 0.73rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--highlight) 30%, transparent);
    color: #7a5a00;
}
@media (prefers-color-scheme: dark) {
    .home-page .pub-badge { color: #ffe8a3; }
}
.home-page .pub-badge.award {
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    color: var(--accent-dark);
}

/* ---------- Footer ---------- */

.home-page .site-footer {
    border-top: 1px solid var(--line);
    padding: 24px 0 60px;
    color: var(--ink-faint);
    font-size: 0.8rem;
    text-align: center;
}

/* ---------- Responsive ---------- */

@media (min-width: 620px) {
    .home-page .highlights { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 480px) {
    .home-page .hero { flex-direction: column; align-items: flex-start; text-align: left; }
    .home-page .hero-text h1 { font-size: 1.6rem; }
}